4-(oxoalkoxy)benzoic acids and ester thereof

ABSTRACT

ETHERS OF BENZOIC ACID AND BENZOIC ACID ETHERS HAVING AN OXO-SUBSTITUTED SIDE CHAIN WHICH ARE USEFUL FOR INSECT CONTROL.

I o 3,829,465 Umted States Patent Oflice A, .3, 1...

wherein:

3 829 465 4-(OX0ALK0XY),BENZ0IC ACIDS AND F of m and m 18 two or three,

ESTER THEREOF n 15 or n John B. Siddall and Clive A. Henrick, Palo Alto, Calif., each of R1 and R2 is hydrogen or y assignors to Zoecon Corporation, Palo Alto, Calif. 5 R is hydrogen, methyl or ethyl;

N Drawing. Original application Nov. 12, 1970, Ser. No. each of R and R is methyl or ethyl; and

110W Patent 3,723,467- Divided and this R is 4-methoxycarbonylphenyl or 4-etl1oxycarbonylapplication Oct. 31, 1972, Ser. No. 302,470 phenyl or 4 carboxyphenyl' Us Cl 260 C07: 69/78 7 Claims 2. A compound according to formula A of claim 1 10 wherein m is two; n is zero; and R is 4-methoxycarbonylphenyl or 4-ethoxycarbonylphenyl.

A S C OF THE DISCLOSURE 3. The compound, methyl 4-(5'-oxo-3',7,7-trimethyl- Ethers of benzoic acid and benzoic acid esters having nonyloxwbenzoaie. cc rding to claim 2. r an oxo-substituted side chain which are useful for insect The compound ethyl 9 ,7 ,7 'mmethyl' controL nonyloxy)benzoate, accordmg to clalm 2.

5. The compound, 4-(5-oxo-3,7,7-trimethylnonyloxy)benzoic acid, according to claim 1.

CROS REFERENCE 6. A compound according to formula B of claim 1 This is a division of Ser. No. 89,022, filed Nov. 12, Wherem 15 Zero and m 18 three 1970, now US Pat 3,723,461 7. The compound, methyl 4-(6 -ethyl-8'-oxo-10 ,10

INCORPORATION BY REFERENCE dimethyldodecan-2-yloxy) benzoate, according to claim 6.

Reference is hereby made to US. Pat. 3,723,467. All References Cited description therein is incorporated herein by reference.

UNITED STATES PATENTS SUMMARY OF THE INVENTION 3,563,982 2/1971 Bowers 260340.5 Ethers of 4-hydroxybenzoic acid esters having an oxo- 3,705,187 12/ 1972 Chodnekar 260473 R substituted saturated, branched aliphatic side chain. Ethers 3,711,517 1/1973 Siddall 260473 R of 4-hydroxybenzoic acid are prepared by saponification 3,732,254 5/1973 Siddall 260473 R of the ethers of 4-hydroxybenzoic acid esters. The acid esters are useful for insect control. FOREIGN PATENTS What is claimed 883,234 11/1961 England 260473 R 1. A compound selected from those of the formulas A or OTHER REFERENCES Bowers, Science 164 323 (1969). R3 0 Ayyar et al. CA. 69 19320a (1968).

Mori et al. CA. 72 67126a (1970).

R2 R LORRAINE A. WEINB'ERGE'R, Primary Examiner 0 6 J. F. TERAPANE, Assistant Examiner l R J-GHZ- GHi)..iJ-cHi(iH- cHi)moHo--R US. Cl. X.R. 

